🏎️ Who stole the emerald bracelGrade 6Reading: grades 3-4RoundingPercentagesExponentsOrder of operationsDivision
The Mystery of Nithusha's Emerald Bracelet
During the grand gala, someone snatched Nithusha's sparkling emerald bracelet! Follow the clues around the palace grounds to identify the culprit and retrieve the missing treasure.
Suspects
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
21 of 21 still in play
| Name | Main Gadget | Escape Vehicle | Dominant Hand | Hairstyle | Weakness |
|---|---|---|---|---|---|
| Vera | Laser Cutter | Zip Line | Left Handed | Curly Topknot | Bright Lights |
| Dara | Grappling Hook | Hoverboard | Left Handed | Braided Ponytail | Bright Lights |
| Faye | Grappling Hook | Electric Scooter | Left Handed | Curly Topknot | Sticky Net |
| Seth | Grappling Hook | Zip Line | Left Handed | Curly Topknot | Sticky Net |
| Nia | Lock Pick | Zip Line | Right Handed | Curly Topknot | Loud Whistles |
| Ivan | Grappling Hook | Electric Scooter | Right Handed | Curly Topknot | Loud Whistles |
| Kael | Lock Pick | Glider | Right Handed | Curly Topknot | Bright Lights |
| Aria | Lock Pick | Glider | Left Handed | Curly Topknot | Sticky Net |
| Otto | Stun Flash | Speedboat | Left Handed | Curly Topknot | Sticky Net |
| Zane | Laser Cutter | Speedboat | Left Handed | Curly Topknot | Bright Lights |
| Umar | Lock Pick | Electric Scooter | Left Handed | Braided Ponytail | Sticky Net |
| Milo | Laser Cutter | Electric Scooter | Right Handed | Curly Topknot | Sticky Net |
| Jara | Lock Pick | Speedboat | Left Handed | Slicked Back | Loud Whistles |
| Pia | Laser Cutter | Glider | Left Handed | Curly Topknot | Sticky Net |
| Bram | Laser Cutter | Hoverboard | Right Handed | Curly Topknot | Sticky Net |
| Hana | Smoke Bomb | Hoverboard | Left Handed | Braided Ponytail | Sticky Net |
| Gabe | Lock Pick | Speedboat | Left Handed | Slicked Back | Bright Lights |
| Lina | Smoke Bomb | Zip Line | Left Handed | Curly Topknot | Sticky Net |
| Tara | Lock Pick | Glider | Left Handed | Braided Ponytail | Sticky Net |
| Rhea | Stun Flash | Electric Scooter | Left Handed | Slicked Back | Sticky Net |
| Evan | Laser Cutter | Glider | Right Handed | Slicked Back | Bright Lights |
Clue 1
Rounding
The security display only shows estimated weights rounded to the nearest hundred.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
2000
500
200
T
2000
500
700
200
90
110
300
200
170
430
300
T
2000
2300
170
200
9000
50
4300
700
110
200
290
Round 2,487 to the nearest thousandT
Round 169 to the nearest tenS
Round 112 to the nearest tenD
Round 51 to the nearest tenG
Round 8,585 to the nearest thousandA
Round 4,318 to the nearest hundredL
Round 290 to the nearest tenR
Round 172 to the nearest hundredE
Round 93 to the nearest tenF
Round 543 to the nearest hundredH
Round 284 to the nearest hundredO
Round 2,275 to the nearest hundredU
Round 669 to the nearest hundredI
Round 432 to the nearest tenN
0/14 letters found
Clue 2
Percentages
The vault sensor logs the battery percentages left on the security gadgets.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
30
37
22
1
26
1
45
22
7
T
30
31
32
34
45
45
22
31
28
12
35
34
16
22
39
34
32
T
30
37
22
35
22
39
T
30
37
28
10
31
75% of 40 =T
10% of 310 =D
25% of 104 =U
5% of 140 =C
25% of 88 =E
10% of 160 =V
50% of 20 =N
75% of 52 =F
20% of 185 =H
5% of 560 =A
50% of 90 =P
5% of 700 =L
5% of 240 =G
10% of 10 =S
50% of 68 =O
50% of 64 =R
0/16 letters found
Clue 3
Exponents
The security beam grid multiplies its power levels in exponent steps.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
T
243
400
289
64
25
361
9
324
169
T
243
9
361
32
32
289
324
T
243
400
289
169
49
289
361
256
81
49
361
169
T
243
81
100
256
128
49
289
T
243
3^5 =T
7^2 =N
10^2 =C
3^4 =I
17^2 =E
13^2 =S
20^2 =H
19^2 =A
2^5 =P
18^2 =D
2^8 =K
4^3 =G
2^7 =Y
3^2 =R
5^2 =U
0/15 letters found
Clue 4
Order of operations
The coded keypad lock requires solving steps in a precise order.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
D
17
52
33
52
68
33
51
11
52
54
45
7
29
10
D
17
68
29
26
36
27
62
76
51
26
7
10
33
62
52
D
17
51
54
40
36
76
27
12 × 2 - 7 =D
4 + 2 × 3 =N
10 × 6 - 8 =E
30 + 5 × 2 =P
21 + 3 × 4 =T
22 + 2 × 2 =R
12 × 6 - 21 =I
7 × 6 - 6 =L
17 + 7 × 4 =F
58 + 2 × 2 =H
10 × 3 - 3 =Y
10 × 8 - 12 =C
6 × 11 - 12 =S
6 × 6 - 29 =O
12 × 8 - 20 =A
5 + 2 × 3 =V
6 × 5 - 1 =U
0/17 letters found
Clue 5
Division facts (1-12) — the last clue
The guard splits the backup flashlight batteries equally among the patrol team.
First solve each problem. Then find each answer in the list below and cross that sentence out. One sentence will be left — that's exactly what the villain did!
Step 1 — solve these
44 ÷ 4 = ?
8 ÷ 8 = ?
84 ÷ 12 = ?
60 ÷ 6 = ?
99 ÷ 11 = ?
24 ÷ 8 = ?
144 ÷ 12 = ?
48 ÷ 8 = ?
18 ÷ 9 = ?
4 ÷ 1 = ?
88 ÷ 11 = ?
Step 2 — cross out the sentence with each answer
1.The villain fired a grappling hook to the balcony, then zipped down the cable line.
2.The villain flashed a bright stun light at the guard, then zipped down the cable line.
3.The villain used a laser cutter to slice the glass, then zoomed away on a hoverboard.
4.The villain used a laser cutter to slice the glass, then zipped down the cable line.
5.The villain dropped a smoke bomb on the dance floor, then zipped down the cable line.
6.The villain dropped a smoke bomb on the dance floor, then dashed through the park on an electric scooter.
7.The villain flashed a bright stun light at the guard, then sped down the river in a speedboat.
8.The villain flashed a bright stun light at the guard, then dashed through the park on an electric scooter.
9.The villain picked the lock on the vault door, then dashed through the park on an electric scooter.
10.The villain picked the lock on the vault door, then zipped down the cable line.
11.The villain fired a grappling hook to the balcony, then dashed through the park on an electric scooter.
12.The villain picked the lock on the vault door, then zoomed away on a hoverboard.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Mystery of Nithusha's Emerald Bracelet
Culprit: Lina (Smoke Bomb · Zip Line · Left Handed · Curly Topknot · Sticky Net)
- Clue 1 (Rounding): "THE THIEF DOES NOT USE A GLIDER"Round 2,487 to the nearest thousand = 2000 (T) · Round 169 to the nearest ten = 170 (S) · Round 112 to the nearest ten = 110 (D) · Round 51 to the nearest ten = 50 (G) · Round 8,585 to the nearest thousand = 9000 (A) · Round 4,318 to the nearest hundred = 4300 (L) · Round 290 to the nearest ten = 290 (R) · Round 172 to the nearest hundred = 200 (E) · Round 93 to the nearest ten = 90 (F) · Round 543 to the nearest hundred = 500 (H) · Round 284 to the nearest hundred = 300 (O) · Round 2,275 to the nearest hundred = 2300 (U) · Round 669 to the nearest hundred = 700 (I) · Round 432 to the nearest ten = 430 (N)
- Clue 2 (Percentages): "THE SUSPECT DROPPED A GLOVE FOR THE LEFT HAND"75% of 40 = 30 (T) · 10% of 310 = 31 (D) · 25% of 104 = 26 (U) · 5% of 140 = 7 (C) · 25% of 88 = 22 (E) · 10% of 160 = 16 (V) · 50% of 20 = 10 (N) · 75% of 52 = 39 (F) · 20% of 185 = 37 (H) · 5% of 560 = 28 (A) · 50% of 90 = 45 (P) · 5% of 700 = 35 (L) · 5% of 240 = 12 (G) · 10% of 10 = 1 (S) · 50% of 68 = 34 (O) · 50% of 64 = 32 (R)
- Clue 3 (Exponents): "THE GUARDS TRAPPED THE SNEAK IN A STICKY NET"3^5 = 243 (T) · 7^2 = 49 (N) · 10^2 = 100 (C) · 3^4 = 81 (I) · 17^2 = 289 (E) · 13^2 = 169 (S) · 20^2 = 400 (H) · 19^2 = 361 (A) · 2^5 = 32 (P) · 18^2 = 324 (D) · 2^8 = 256 (K) · 4^3 = 64 (G) · 2^7 = 128 (Y) · 3^2 = 9 (R) · 5^2 = 25 (U)
- Clue 4 (Order of operations): "DETECTIVES FOUND CURLY HAIR ON THE DISPLAY"12 × 2 - 7 = 17 (D) · 4 + 2 × 3 = 10 (N) · 10 × 6 - 8 = 52 (E) · 30 + 5 × 2 = 40 (P) · 21 + 3 × 4 = 33 (T) · 22 + 2 × 2 = 26 (R) · 12 × 6 - 21 = 51 (I) · 7 × 6 - 6 = 36 (L) · 17 + 7 × 4 = 45 (F) · 58 + 2 × 2 = 62 (H) · 10 × 3 - 3 = 27 (Y) · 10 × 8 - 12 = 68 (C) · 6 × 11 - 12 = 54 (S) · 6 × 6 - 29 = 7 (O) · 12 × 8 - 20 = 76 (A) · 5 + 2 × 3 = 11 (V) · 6 × 5 - 1 = 29 (U)
- Clue 5 (Division facts (1-12)): surviving statement (box 5) → Lina44 ÷ 4 = 11 · 8 ÷ 8 = 1 · 84 ÷ 12 = 7 · 60 ÷ 6 = 10 · 99 ÷ 11 = 9 · 24 ÷ 8 = 3 · 144 ÷ 12 = 12 · 48 ÷ 8 = 6 · 18 ÷ 9 = 2 · 4 ÷ 1 = 4 · 88 ÷ 11 = 8
About this mystery
- Grade level
- Grade 6 math
- Math topics
- Rounding, Percentages, Exponents, Order of operations, Division
- Reading level
- grades 3-4
- Theme
- The Mystery of Nithusha's Emerald Bracelet — set in The Royal Gem Gala at Palace Gardens
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects